function showHidePlataformas(evt){
    divPS = document.getElementById('ps');
    divXbox = document.getElementById('xbox');
    divWii = document.getElementById('wii');
    divPC = document.getElementById('pc');
    divCelular = document.getElementById('celular');

    divAbaPS = document.getElementById('aba-ps');
    divAbaXbox = document.getElementById('aba-xbox');
    divAbaWii = document.getElementById('aba-wii');
    divAbaPC = document.getElementById('aba-pc');
    divAbaCelular = document.getElementById('aba-celular');

    divVejaPS = document.getElementById('veja-ps');
    divVejaXbox = document.getElementById('veja-xbox');
    divVejaWii = document.getElementById('veja-wii');
    divVejaPC = document.getElementById('veja-pc');
    divVejaCelular = document.getElementById('veja-celular');


    if (evt == 'aba-ps') {
        divAbaPS.className = "mouse-over";
        divAbaXbox.className = "";
        divAbaWii.className = "";
        divAbaPC.className = "";
        divAbaCelular.className = "";

        divPS.style.display = "block";
        divXbox.style.display = "none";
        divWii.style.display = "none";
        divPC.style.display = "none";
        divCelular.style.display = "none";

        divVejaPS.style.display = "block";
        divVejaXbox.style.display = "none";
        divVejaWii.style.display = "none";
        divVejaPC.style.display = "none";
        divVejaCelular.style.display = "none";
    } 
    else if (evt == 'aba-xbox'){
        divAbaPS.className = "";
        divAbaXbox.className = "mouse-over";
        divAbaWii.className = "";
        divAbaPC.className = "";
        divAbaCelular.className = "";

        divPS.style.display = "none";
        divXbox.style.display = "block";
        divWii.style.display = "none";
        divPC.style.display = "none";
        divCelular.style.display = "none";

        divVejaPS.style.display = "none";
        divVejaXbox.style.display = "block";
        divVejaWii.style.display = "none";
        divVejaPC.style.display = "none";
        divVejaCelular.style.display = "none";
    }
    else if (evt == 'aba-wii') {
        divAbaPS.className = "";
        divAbaXbox.className = "";
        divAbaWii.className = "mouse-over";
        divAbaPC.className = "";
        divAbaCelular.className = "";

        divPS.style.display = "none";
        divXbox.style.display = "none";
        divWii.style.display = "block";
        divPC.style.display = "none";
        divCelular.style.display = "none";

        divVejaPS.style.display = "none";
        divVejaXbox.style.display = "none";
        divVejaWii.style.display = "block";
        divVejaPC.style.display = "none";
        divVejaCelular.style.display = "none";
    }
    else if (evt == 'aba-pc'){
        divAbaPS.className = "";
        divAbaXbox.className = "";
        divAbaWii.className = "";
        divAbaPC.className = "mouse-over";
        divAbaCelular.className = "";

        divPS.style.display = "none";
        divXbox.style.display = "none";
        divWii.style.display = "none";
        divPC.style.display = "block";
        divCelular.style.display = "none";

        divVejaPS.style.display = "none";
        divVejaXbox.style.display = "none";
        divVejaWii.style.display = "none";
        divVejaPC.style.display = "block";
        divVejaCelular.style.display = "none";
    }
    else if (evt == 'aba-celular'){
        divAbaPS.className = "";
        divAbaXbox.className = "";
        divAbaWii.className = "";
        divAbaPC.className = "";
        divAbaCelular.className = "mouse-over";

        divPS.style.display = "none";
        divXbox.style.display = "none";
        divWii.style.display = "none";
        divPC.style.display = "none";
        divCelular.style.display = "block";

        divVejaPS.style.display = "none";
        divVejaXbox.style.display = "none";
        divVejaWii.style.display = "none";
        divVejaPC.style.display = "none";
        divVejaCelular.style.display = "block";
    }
}